Axial innen engl - TLT Turbo GmbH

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01.01 Am Weinberg 68 · D-36251 Bad Hersfeld/Germany Phone: +49.6621.950-0 · Fax: +49.6621.950-100 Hazardous duty Hazardous-duty motors, whether of the "Ex(e)" increased safety or "(Ex)d" explosion-proof type, are supplied for 400 V three-phase a.c. operation and installed for ignition class G1 to G4. Please enquire about "(Ex)d" type availability. Such "explosion-proof" (pressure-containing) motors are required in rooms and operating facilities in which explosive atmospheres are frequently present (refer to VDE 0165). Whether a location or plant belongs to a hazardous-duty category according to this regulation must be decided by the relevant supervisory body, e.g., a trade supervisory authority or technical inspectorate. These authorities will also determine the applicable protection class. (Conditions may vary from country to country) Where hazardous-duty motors are specified, the associated fans must L1 L2 L3 N PE Terminal box F1 F3 K1 F2 X1 M2 1 3 5 2 4 6 2 4 6 1 2 3 U1 V1 W1 U2 V2 U1 V1 W1 U2 V2 W2 M2 fan motor (230/400 V �/Y) Contactor control circuit with overcurrent protection for one-speed motor with direct on-line starting PE W2 PE AXIAL FLOW FANS ELECTRICAL NOTES GENERAL / CIRCUIT DIAGRAMS be of a spark-suppressed type. For this application a special slipring is available for installation between the impeller and the casing. Operation Direct on-line starting The breakaway torque may reach 150 – 300% of the nominal torque, depending on output and number of poles. Starting currents may rise to between 4 and 6 times the rated current value. Star-delta starting Here the starting current and torque are only about one-third of what they would be with direct on-line starting. The motor should be close to its nominal rpm before the changeover is made. With high-powered motors, please consult with us on fan starting modes and start-up times. F2 F2 S1 S2 K1 K1 H1 H2 Run Fault 028 IMPORTANT! All axial-flow fans are equipped with IEC standard motors sourced from various quality-brand manufacturers. These motors do NOT feature thermocouple or thermistor protection systems. They must therefore be operated with an overcurrent protection device according to VDE 0660. Please enquire about current consumption details. For guidance, refer to the motor manufacturers' catalogues. L1 L2 L3 N PE NO1
01.01 Am Weinberg 68 · D-36251 Bad Hersfeld/Germany Phone: +49.6621.950-0 · Fax: +49.6621.950-100 L1 L2 L3 N PE Contactor control circuit for a twospeed motor with Dahlander polechanging winding and overcurrent protection L1 L2 L3 N PE K3 Maintenance switch 1 3 5 2 4 6 Terminal box K1 F2 Q1 F1 Contactor control circuit for a twospeed motor with separate windings with overcurrent protection AXIAL FLOW FANS ELECTRICAL NOTES CIRCUIT DIAGRAMS F1 F4 1 3 5 K1 2 4 6 F2 2 4 6 X1 1 2 3 4 5 6 PE 1U K2 1 3 5 2 4 6 F3 2 4 6 1U 1W 2U 2V 1U 1U 1W 2U 2U 2W M1 fan motor (400 V Y/YY) PE X1 1 2 3 4 5 6 M1 2 4 6 L1 L2 L3 F3 1 3 5 K2 2 4 6 T1 T2 T3 1U 1V 1W 2U 2V 2W M1 fan motor (400 V) F4 PE 1 3 5 2 4 6 2 4 6 L4 L5 L6 T4 T5 T6 2W PE 51 63 52 64 PE PE F5 F2 F2 F3 F3 S1 S2 K2 K3 K1 K3 K1 S3 K2 K1 H1 K2 K3 H2 H3 H4 Run Stage I Run Stage II Fault Stage I F2 F2 F4 F4 S1 S2 K2 K1 S3 K2 K1 K1 H1 K2 H2 H3 H4 Run Stage I Run Stage II Fault Stage I 029 L1 L2 L3 N PE NO1 Fault Stage II L1 L2 L3 N PE NO1 Fault Stage II
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Axial innen engl - TLT Turbo GmbH

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